﻿/**
 * Copyright (C) 2011 original author and authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NGuice.Inject.Spi;
using NGuice.Inject.Internal;
using NGuice.Inject.Internal.Util;
using System.Collections.ObjectModel;

namespace NGuice.Inject
{
    /// <summary>
    /// 创建Injector注入器时发生的异常，客户端应该捕获此异常，记录日志等
    /// </summary>
    public class CreationException : NGuiceException
    {
        private ICollection<Message> messages;

        public CreationException(ICollection<Message> messages)
        {
            Preconditions.CheckNotNull(messages);
            Preconditions.CheckArgument(messages.Count != 0);
            this.messages = new ReadOnlyCollection<Message>(messages.ToList());
            InitCause(Errors.GetOnlyCause(this.messages));
        }

        public ICollection<Message> ErrorMessages
        {
            get
            {
                return messages;
            }
        }

        public override string Message
        {
            get
            {
                return Errors.Format("NGuice creation errors", messages);
            }
        }
    }
}
